---
cve: "CVE-2022-0194"
severity: "CRITICAL"
cvss: 9.8
epss: "4.5%"
vendor: "Netatalk"
kev: false
exploited: false
published: "2023-03-28 19:15:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T13:44:55+02:00"
---

# CVE-2022-0194

> 9.8 CRITICAL

## Beschreibung

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ad_addcomment function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15876.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 8965445d8439dbe1b2821b783ae644da3ef600a1 (Commit)

## Referenzen

- <https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html>
- <https://www.zerodayinitiative.com/advisories/ZDI-22-530/>
- <https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html>
- <https://www.debian.org/security/2023/dsa-5503>
- <https://security.gentoo.org/glsa/202311-02>
- <https://www.kb.cert.org/vuls/id/709991>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-0194) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_